Google executives Eric Schmidt, Jonathan Rosenberg, and Alan Eagle have written a new book called "Trillion Dollar Coach: The Leadership Playbook of Silicon Valley's Bill Campbell." Their observations on communications in the workplace are far-reaching and fully integrated with strategies for success in organizations large and small. In this excerpt, they share some of the best management lessons they learned from legendary business coach Bill Campbell, who mentored many of the most successful modern tech leaders before he passed away in 2016.